/*----------------    FILE HEADER ---------------------------------------
 This file is part of Geoide.
 Copyright (C) 2005-2006 by:
 IDgis B.V.
 http://www.idgis.nl

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 Contact:

 Herman Assink
 IDgis bv
 P.O. Box 15
 7450 AA Holten
 The Netherlands
 E-Mail: herman.assink@idgis.nl

 * @version 1.4.0
 * @author IDgis team
 * 
 ------------------------------------------------------------------------*/
import nl.idgis.giclient.gis.GIS;

class nl.idgis.giclient.framework.buttons.NavigationButton extends MovieClip {

    private var gism:GIS = null; // Set by init object.
    private var buttonTip:String = ""; // Set by init object.
    private var size:Number = 17;

    function onLoad():Void {
        _width = size;
        _height = size;

        if (_name == "NavN") {
            _rotation = -90;
        } else if (_name == "NavZ") {
            _rotation = 90;
        } else if (_name == "NavO") {
            // No rotation needed.
        } else if (_name == "NavW") {
            _rotation = -180;
        }

        var initObject:Object = {displayText: buttonTip, displayShadow: true, faceColor: "0xFFFFFF",
                                                              borderColor: "0x000000", useFade: false};
        attachMovie("GeoideTip", "tip", 0, initObject);
    }

    function onRelease():Void {
        var x:Number = gism.getCurrentCentreX();
        var y:Number = gism.getCurrentCentreY();
        var dx:Number = 0;
        var dy:Number = 0;

        if (_name == "NavO") {
            dx = -Stage.width / 2;
        } else if (_name == "NavW") {
            dx = Stage.width / 2;
        } else if (_name == "NavN") {
            dy = Stage.height / 2;
        } else if (_name == "NavZ") {
            dy = -Stage.height / 2;
        }

        gism.pan(x - (dx * gism.getCoordPixFactor() * gism.getCurrentScale()),
                         y + (dy * gism.getCoordPixFactor() * gism.getCurrentScale()));
    }

    function onRollOver():Void {
        this["tip"].displayToolTip();
    }

    function onRollOut():Void {
        this["tip"].removeToolTip();
    }

}